cinelerra-5.0/cinelerra/fileffmpeg.C

   1
   2 #include <stdio.h>
   3 #include <stdint.h>
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6 #include <string.h>
   7 // work around for __STDC_CONSTANT_MACROS
   8 #include <lzma.h>
   9
  10 #include "asset.h"
  11 #include "bcwindowbase.h"
  12 #include "bcprogressbox.h"
  13 #include "bitspopup.h"
  14 #include "ffmpeg.h"
  15 #include "filebase.h"
  16 #include "file.h"
  17 #include "fileffmpeg.h"
  18 #include "filesystem.h"
  19 #include "format.inc"
  20 #include "indexfile.h"
  21 #include "mutex.h"
  22 #include "preferences.h"
  23 #include "videodevice.inc"
  24
  25 FileFFMPEG::FileFFMPEG(Asset *asset, File *file)
  26   : FileBase(asset, file)
  27 {
  28         ff = 0;
  29         if(asset->format == FILE_UNKNOWN)
  30                 asset->format = FILE_FFMPEG;
  31 }
  32
  33 FileFFMPEG::~FileFFMPEG()
  34 {
  35         delete ff;
  36 }
  37
  38
  39 FFMpegConfigNum::FFMpegConfigNum(BC_Window *window,
  40                 int x, int y, char *title_text, int *output)
  41  : BC_TumbleTextBox(window, (int64_t)*output,
  42         (int64_t)-1, (int64_t)25000000, 100, y, 100)
  43 {
  44         this->window = window;
  45         this->x = x;  this->y = y;
  46         this->title_text = title_text;
  47         this->output = output;
  48 }
  49
  50 FFMpegConfigNum::~FFMpegConfigNum()
  51 {
  52 }
  53
  54 void FFMpegConfigNum::create_objects()
  55 {
  56         window->add_subwindow(title = new BC_Title(x, y, title_text));
  57         BC_TumbleTextBox::create_objects();
  58 }
  59
  60 int FFMpegConfigNum::handle_event()
  61 {
  62         *output = atol(get_text());
  63         return 1;
  64 }
  65
  66 FFMpegAudioNum::FFMpegAudioNum(BC_Window *window,
  67                 int x, int y, char *title_text, int *output)
  68  : FFMpegConfigNum(window, x, y, title_text, output)
  69 {
  70 }
  71
  72 int FFMpegAudioBitrate::handle_event()
  73 {
  74         int ret = FFMpegAudioNum::handle_event();
  75         return ret;
  76 }
  77
  78 FFMpegVideoNum::FFMpegVideoNum(BC_Window *window,
  79                 int x, int y, char *title_text, int *output)
  80  : FFMpegConfigNum(window, x, y, title_text, output)
  81 {
  82 }
  83
  84 int FFMpegVideoBitrate::handle_event()
  85 {
  86         int ret = FFMpegVideoNum::handle_event();
  87         Asset *asset = window()->asset;
  88         if( asset->ff_video_bitrate )
  89                 window()->quality->disable();
  90         else
  91                 window()->quality->enable();
  92         return ret;
  93 }
  94
  95 int FFMpegVideoQuality::handle_event()
  96 {
  97         int ret = FFMpegVideoNum::handle_event();
  98         Asset *asset = window()->asset;
  99         if( asset->ff_video_quality )
 100                 window()->bitrate->disable();
 101         else
 102                 window()->bitrate->enable();
 103         return ret;
 104 }
 105
 106 void FileFFMPEG::get_parameters(BC_WindowBase *parent_window,
 107                 Asset *asset, BC_WindowBase *&format_window,
 108                 int audio_options, int video_options)
 109 {
 110         if(audio_options) {
 111                 FFMPEGConfigAudio *window = new FFMPEGConfigAudio(parent_window, asset);
 112                 format_window = window;
 113                 window->create_objects();
 114                 window->run_window();
 115                 delete window;
 116         }
 117         else if(video_options) {
 118                 FFMPEGConfigVideo *window = new FFMPEGConfigVideo(parent_window, asset);
 119                 format_window = window;
 120                 window->create_objects();
 121                 window->run_window();
 122                 delete window;
 123         }
 124 }
 125
 126 int FileFFMPEG::check_sig(Asset *asset)
 127 {
 128         char *ptr = strstr(asset->path, ".pcm");
 129         if( ptr ) return 0;
 130         ptr = strstr(asset->path, ".raw");
 131         if( ptr ) return 0;
 132
 133         FFMPEG ffmpeg(0);
 134         int ret = !ffmpeg.init_decoder(asset->path) &&
 135                 !ffmpeg.open_decoder() ? 1 : 0;
 136         return ret;
 137 }
 138
 139 void FileFFMPEG::get_info(char *path, char *text, int len)
 140 {
 141         char *cp = text;
 142         FFMPEG ffmpeg(0);
 143         cp += sprintf(cp, _("file path: %s\n"), path);
 144         struct stat st;
 145         int ret = 0;
 146         if( stat(path, &st) < 0 ) {
 147                 cp += sprintf(cp, _(" err: %s\n"), strerror(errno));
 148                 ret = 1;
 149         }
 150         else {
 151                 cp += sprintf(cp, _("  %jd bytes\n"), st.st_size);
 152         }
 153         if( !ret ) ret = ffmpeg.init_decoder(path);
 154         if( !ret ) ret = ffmpeg.open_decoder();
 155         if( !ret ) {
 156                 cp += sprintf(cp, _("info:\n"));
 157                 ffmpeg.info(cp, len-(cp-text));
 158         }
 159         else
 160                 sprintf(cp, _("== open failed\n"));
 161 }
 162
 163 int FileFFMPEG::get_video_info(int track, int &pid, double &framerate,
 164                 int &width, int &height, char *title)
 165 {
 166         if( !ff ) return -1;
 167         pid = ff->ff_video_pid(track);
 168         framerate = ff->ff_frame_rate(track);
 169         width = ff->ff_video_width(track);
 170         height = ff->ff_video_height(track);
 171         if( title ) *title = 0;
 172         return 0;
 173 }
 174
 175 int FileFFMPEG::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
 176 {
 177         if( !ff ) return 1;
 178         return ff->ff_audio_for_video(vstream, astream, channel_mask);
 179 }
 180
 181 int FileFFMPEG::select_video_stream(Asset *asset, int vstream)
 182 {
 183         if( !ff || !asset->video_data ) return 1;
 184         asset->width = ff->ff_video_width(vstream);
 185         asset->height = ff->ff_video_height(vstream);
 186         asset->video_length = ff->ff_video_frames(vstream);
 187         asset->frame_rate = ff->ff_frame_rate(vstream);
 188         return 0;
 189 }
 190
 191 int FileFFMPEG::select_audio_stream(Asset *asset, int astream)
 192 {
 193         if( !ff || !asset->audio_data ) return 1;
 194         asset->sample_rate = ff->ff_sample_rate(astream);
 195         asset->audio_length = ff->ff_audio_samples(astream);
 196         return 0;
 197 }
 198
 199 int FileFFMPEG::open_file(int rd, int wr)
 200 {
 201         int result = 0;
 202         if( ff ) return 1;
 203         ff = new FFMPEG(this);
 204
 205         if( rd ) {
 206                 result = ff->init_decoder(asset->path);
 207                 if( !result ) result = ff->open_decoder();
 208                 if( !result ) {
 209                         int audio_channels = ff->ff_total_audio_channels();
 210                         if( audio_channels > 0 ) {
 211                                 asset->audio_data = 1;
 212                                 asset->channels = audio_channels;
 213                                 asset->sample_rate = ff->ff_sample_rate(0);
 214                                 asset->audio_length = ff->ff_audio_samples(0);
 215                         }
 216                         int video_layers = ff->ff_total_video_layers();
 217                         if( video_layers > 0 ) {
 218                                 asset->video_data = 1;
 219                                 if( !asset->layers ) asset->layers = video_layers;
 220                                 asset->actual_width = ff->ff_video_width(0);
 221                                 asset->actual_height = ff->ff_video_height(0);
 222                                 if( !asset->width ) asset->width = asset->actual_width;
 223                                 if( !asset->height ) asset->height = asset->actual_height;
 224                                 if( !asset->video_length ) asset->video_length = ff->ff_video_frames(0);
 225                                 if( !asset->frame_rate ) asset->frame_rate = ff->ff_frame_rate(0);
 226                         }
 227                         IndexState *index_state = asset->index_state;
 228                         index_state->read_markers(file->preferences->index_directory, asset->path);
 229                 }
 230         }
 231         else if( wr ) {
 232                 result = ff->init_encoder(asset->path);
 233                 // must be in this order or dvdauthor will fail
 234                 if( !result && asset->video_data )
 235                         result = ff->open_encoder("video", asset->vcodec);
 236                 if( !result && asset->audio_data )
 237                         result = ff->open_encoder("audio", asset->acodec);
 238         }
 239         return result;
 240 }
 241
 242 int FileFFMPEG::close_file()
 243 {
 244         delete ff;
 245         ff = 0;
 246         return 0;
 247 }
 248
 249
 250 int FileFFMPEG::set_video_position(int64_t pos)
 251 {
 252         if( !ff || pos < 0 || pos >= asset->video_length )
 253                 return 1;
 254         return 0;
 255 }
 256
 257
 258 int FileFFMPEG::set_audio_position(int64_t pos)
 259 {
 260         if( !ff || pos < 0 || pos >= asset->audio_length )
 261                 return 1;
 262         return 0;
 263 }
 264
 265
 266 int FileFFMPEG::write_samples(double **buffer, int64_t len)
 267 {
 268         if( !ff || len < 0 ) return -1;
 269         int stream = 0;
 270         int ret = ff->encode(stream, buffer, len);
 271         return ret;
 272 }
 273
 274 int FileFFMPEG::write_frames(VFrame ***frames, int len)
 275 {
 276         if( !ff ) return -1;
 277         int ret = 0, layer = 0;
 278         for(int i = 0; i < 1; i++) {
 279                 for(int j = 0; j < len && !ret; j++) {
 280                         VFrame *frame = frames[i][j];
 281                         ret = ff->encode(layer, frame);
 282                 }
 283         }
 284         return ret;
 285 }
 286
 287
 288 int FileFFMPEG::read_samples(double *buffer, int64_t len)
 289 {
 290         if( !ff || len < 0 ) return -1;
 291         int ch = file->current_channel;
 292         int64_t pos = file->current_sample;
 293         ff->decode(ch, pos, buffer, len);
 294         return 0;
 295 }
 296
 297 int FileFFMPEG::read_frame(VFrame *frame)
 298 {
 299         if( !ff ) return -1;
 300         int layer = file->current_layer;
 301         int64_t pos = file->current_frame;
 302         ff->decode(layer, pos, frame);
 303         return 0;
 304 }
 305
 306
 307 int64_t FileFFMPEG::get_memory_usage()
 308 {
 309         return 0;
 310 }
 311
 312 int FileFFMPEG::colormodel_supported(int colormodel)
 313 {
 314         return colormodel;
 315 }
 316
 317 int FileFFMPEG::get_best_colormodel(Asset *asset, int driver)
 318 {
 319         switch(driver) {
 320         case PLAYBACK_X11:      return BC_RGB888;
 321         case PLAYBACK_X11_GL:   return BC_YUV888;
 322         }
 323         return BC_YUV420P;
 324 }
 325
 326 //======
 327
 328 FFMPEGConfigAudio::FFMPEGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
 329  : BC_Window(_(PROGRAM_NAME ": Audio Preset"),
 330         parent_window->get_abs_cursor_x(1),
 331         parent_window->get_abs_cursor_y(1),
 332         420, 420)
 333 {
 334         this->parent_window = parent_window;
 335         this->asset = asset;
 336         preset_popup = 0;
 337
 338         bitrate = 0;
 339         audio_options = 0;
 340 }
 341
 342 FFMPEGConfigAudio::~FFMPEGConfigAudio()
 343 {
 344         lock_window("FFMPEGConfigAudio::~FFMPEGConfigAudio");
 345         if(preset_popup) delete preset_popup;
 346         presets.remove_all_objects();
 347         unlock_window();
 348 }
 349
 350 void FFMPEGConfigAudio::create_objects()
 351 {
 352         int x = 10, y = 10;
 353         lock_window("FFMPEGConfigAudio::create_objects");
 354
 355         FileSystem fs;
 356         char option_path[BCTEXTLEN];
 357         FFMPEG::set_option_path(option_path, "audio");
 358         fs.update(option_path);
 359         int total_files = fs.total_files();
 360         for(int i = 0; i < total_files; i++) {
 361                 const char *name = fs.get_entry(i)->get_name();
 362                 if( asset->fformat[0] != 0 ) {
 363                         const char *ext = strrchr(name,'.');
 364                         if( !ext ) continue;
 365                         if( strcmp(asset->fformat, ++ext) ) continue;
 366                 }
 367                 presets.append(new BC_ListBoxItem(name));
 368         }
 369
 370         if( asset->acodec[0] ) {
 371                 int k = presets.size();
 372                 while( --k >= 0 && strcmp(asset->acodec, presets[k]->get_text()) );
 373                 if( k < 0 ) asset->acodec[0] = 0;
 374         }
 375
 376         if( !asset->acodec[0] && presets.size() > 0 )
 377                 strcpy(asset->acodec, presets[0]->get_text());
 378
 379         add_tool(new BC_Title(x, y, _("Preset:")));
 380         y += 25;
 381         preset_popup = new FFMPEGConfigAudioPopup(this, x, y);
 382         preset_popup->create_objects();
 383
 384         y += 50;
 385         bitrate = new FFMpegAudioBitrate(this, x, y, _("Bitrate:"), &asset->ff_audio_bitrate);
 386         bitrate->create_objects();
 387         bitrate->set_increment(1000);
 388
 389         y += bitrate->get_h() + 10;
 390         add_subwindow(new BC_Title(x, y, _("Audio Options:")));
 391         y += 25;
 392         if( !asset->ff_audio_options[0] && asset->acodec[0] ) {
 393                 FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
 394                 FFMPEG::load_options(option_path, asset->ff_audio_options,
 395                          sizeof(asset->ff_audio_options));
 396         }
 397         add_subwindow(audio_options = new FFAudioOptions(this, x, y, get_w()-x-20, 10,
 398                  sizeof(asset->ff_audio_options)-1, asset->ff_audio_options));
 399         add_subwindow(new BC_OKButton(this));
 400         show_window(1);
 401         bitrate->handle_event();
 402         unlock_window();
 403 }
 404
 405 int FFMPEGConfigAudio::close_event()
 406 {
 407         set_done(0);
 408         return 1;
 409 }
 410
 411
 412 FFAudioOptions::FFAudioOptions(FFMPEGConfigAudio *audio_popup,
 413         int x, int y, int w, int rows, int size, char *text)
 414  : BC_TextBox(x, y, w, rows, size, text)
 415 {
 416         this->audio_popup = audio_popup;
 417 }
 418
 419 int FFAudioOptions::handle_event()
 420 {
 421         strcpy(audio_popup->asset->ff_audio_options, get_text());
 422         return 1;
 423 }
 424
 425
 426 FFMPEGConfigAudioPopup::FFMPEGConfigAudioPopup(FFMPEGConfigAudio *popup, int x, int y)
 427  : BC_PopupTextBox(popup, &popup->presets, popup->asset->acodec, x, y, 300, 300)
 428 {
 429         this->popup = popup;
 430 }
 431
 432 int FFMPEGConfigAudioPopup::handle_event()
 433 {
 434         strcpy(popup->asset->acodec, get_text());
 435         Asset *asset = popup->asset;
 436         char option_path[BCTEXTLEN];
 437         FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
 438         FFMPEG::load_options(option_path, asset->ff_audio_options,
 439                          sizeof(asset->ff_audio_options));
 440         popup->audio_options->update(asset->ff_audio_options);
 441         return 1;
 442 }
 443
 444
 445 FFMPEGConfigAudioToggle::FFMPEGConfigAudioToggle(FFMPEGConfigAudio *popup,
 446         char *title_text, int x, int y, int *output)
 447  : BC_CheckBox(x, y, *output, title_text)
 448 {
 449         this->popup = popup;
 450         this->output = output;
 451 }
 452 int FFMPEGConfigAudioToggle::handle_event()
 453 {
 454         *output = get_value();
 455         return 1;
 456 }
 457
 458
 459 //======
 460
 461 FFMPEGConfigVideo::FFMPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 462  : BC_Window(_(PROGRAM_NAME ": Video Preset"),
 463         parent_window->get_abs_cursor_x(1),
 464         parent_window->get_abs_cursor_y(1),
 465         420, 420)
 466 {
 467         this->parent_window = parent_window;
 468         this->asset = asset;
 469         preset_popup = 0;
 470
 471         bitrate = 0;
 472         quality = 0;
 473         video_options = 0;
 474 }
 475
 476 FFMPEGConfigVideo::~FFMPEGConfigVideo()
 477 {
 478         lock_window("FFMPEGConfigVideo::~FFMPEGConfigVideo");
 479         if(preset_popup) delete preset_popup;
 480         presets.remove_all_objects();
 481         unlock_window();
 482 }
 483
 484 void FFMPEGConfigVideo::create_objects()
 485 {
 486         int x = 10, y = 10;
 487         lock_window("FFMPEGConfigVideo::create_objects");
 488
 489         add_subwindow(new BC_Title(x, y, _("Compression:")));
 490         y += 25;
 491
 492         FileSystem fs;
 493         char option_path[BCTEXTLEN];
 494         FFMPEG::set_option_path(option_path, "video");
 495         fs.update(option_path);
 496         int total_files = fs.total_files();
 497         for(int i = 0; i < total_files; i++) {
 498                 const char *name = fs.get_entry(i)->get_name();
 499                 if( asset->fformat[0] != 0 ) {
 500                         const char *ext = strrchr(name,'.');
 501                         if( !ext ) continue;
 502                         if( strcmp(asset->fformat, ++ext) ) continue;
 503                 }
 504                 presets.append(new BC_ListBoxItem(name));
 505         }
 506
 507         if( asset->vcodec[0] ) {
 508                 int k = presets.size();
 509                 while( --k >= 0 && strcmp(asset->vcodec, presets[k]->get_text()) );
 510                 if( k < 0 ) asset->vcodec[0] = 0;
 511         }
 512
 513         if( !asset->vcodec[0] && presets.size() > 0 )
 514                 strcpy(asset->vcodec, presets[0]->get_text());
 515
 516         preset_popup = new FFMPEGConfigVideoPopup(this, x, y);
 517         preset_popup->create_objects();
 518
 519         if( asset->ff_video_bitrate && asset->ff_video_quality ) {
 520                 asset->ff_video_bitrate = 0;
 521                 asset->ff_video_quality = 0;
 522         }
 523
 524         y += 50;
 525         bitrate = new FFMpegVideoBitrate(this, x, y, _("Bitrate:"), &asset->ff_video_bitrate);
 526         bitrate->create_objects();
 527         bitrate->set_increment(100000);
 528         y += bitrate->get_h() + 5;
 529         quality = new FFMpegVideoQuality(this, x, y, _("Quality:"), &asset->ff_video_quality);
 530         quality->create_objects();
 531         quality->set_increment(1);
 532         quality->set_boundaries((int64_t)0, (int64_t)31);
 533
 534         y += quality->get_h() + 10;
 535         add_subwindow(new BC_Title(x, y, _("Video Options:")));
 536         y += 25;
 537         if( !asset->ff_video_options[0] && asset->vcodec[0] ) {
 538                 FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
 539                 FFMPEG::load_options(option_path, asset->ff_video_options,
 540                          sizeof(asset->ff_video_options));
 541         }
 542         add_subwindow(video_options = new FFVideoOptions(this, x, y, get_w()-x-20, 10,
 543                  sizeof(asset->ff_video_options)-1, asset->ff_video_options));
 544
 545         add_subwindow(new BC_OKButton(this));
 546         show_window(1);
 547         if( asset->ff_video_bitrate )
 548                 quality->disable();
 549         if( asset->ff_video_quality )
 550                 bitrate->disable();
 551         unlock_window();
 552 }
 553
 554 int FFMPEGConfigVideo::close_event()
 555 {
 556         set_done(0);
 557         return 1;
 558 }
 559
 560
 561 FFVideoOptions::FFVideoOptions(FFMPEGConfigVideo *video_popup,
 562         int x, int y, int w, int rows, int size, char *text)
 563  : BC_TextBox(x, y, w, rows, size, text)
 564 {
 565         this->video_popup = video_popup;
 566 }
 567
 568 int FFVideoOptions::handle_event()
 569 {
 570         strcpy(video_popup->asset->ff_video_options, get_text());
 571         return 1;
 572 }
 573
 574
 575 FFMPEGConfigVideoPopup::FFMPEGConfigVideoPopup(FFMPEGConfigVideo *popup, int x, int y)
 576  : BC_PopupTextBox(popup, &popup->presets, popup->asset->vcodec, x, y, 300, 300)
 577 {
 578         this->popup = popup;
 579 }
 580
 581 int FFMPEGConfigVideoPopup::handle_event()
 582 {
 583         strcpy(popup->asset->vcodec, get_text());
 584         Asset *asset = popup->asset;
 585         char option_path[BCTEXTLEN];
 586         FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
 587         FFMPEG::load_options(option_path, asset->ff_video_options,
 588                          sizeof(asset->ff_video_options));
 589         popup->video_options->update(asset->ff_video_options);
 590         return 1;
 591 }
 592
 593
 594 FFMPEGConfigVideoToggle::FFMPEGConfigVideoToggle(FFMPEGConfigVideo *popup,
 595         char *title_text, int x, int y, int *output)
 596  : BC_CheckBox(x, y, *output, title_text)
 597 {
 598         this->popup = popup;
 599         this->output = output;
 600 }
 601 int FFMPEGConfigVideoToggle::handle_event()
 602 {
 603         *output = get_value();
 604         return 1;
 605 }
 606
 607 FFMPEGScanProgress::FFMPEGScanProgress(const char *title, int64_t length, int64_t *position, int *canceled)
 608  : Thread(1, 0, 0)
 609 {
 610         strcpy(this->progress_title, title);
 611         this->length = length;
 612         this->position = position;
 613         this->canceled = canceled;
 614         done = 0;
 615         progress = 0;
 616         start();
 617 }
 618
 619 FFMPEGScanProgress::~FFMPEGScanProgress()
 620 {
 621         done = 1;
 622         cancel();
 623         join();
 624 }
 625
 626 void FFMPEGScanProgress::run()
 627 {
 628         BC_ProgressBox *progress = new BC_ProgressBox(-1, -1, progress_title, length);
 629         progress->start();
 630
 631         struct timeval start_time, now, then;
 632         gettimeofday(&start_time, 0);
 633         then = start_time;
 634
 635         while( !done ) {
 636                 if( progress->update(*position, 1) ) {
 637                         *canceled = done = 1;
 638                         break;
 639                 }
 640                 gettimeofday(&now, 0);
 641                 if(now.tv_sec - then.tv_sec >= 1) {
 642                         int64_t elapsed = now.tv_sec - start_time.tv_sec;
 643                         int64_t byte_rate = *position / elapsed;
 644                         int64_t eta = !byte_rate ? 0 : (length - *position) / byte_rate;
 645                         char string[BCTEXTLEN];
 646                         sprintf(string, "%s\nETA: " _LD "m" _LD "s",
 647                                 progress_title, eta / 60, eta % 60);
 648                         progress->update_title(string, 1);
 649                         then = now;
 650                 }
 651                 usleep(500000);
 652         }
 653
 654         progress->stop_progress();
 655         delete progress;
 656 }
 657
 658 int FileFFMPEG::get_index(char *index_path)
 659 {
 660         if( !ff ) return -1;
 661         if( !file->preferences->ffmpeg_marker_indecies ) return 1;
 662
 663         IndexState *index_state = asset->index_state;
 664         if( index_state->index_status != INDEX_NOTTESTED ) return 0;
 665         index_state->index_status = INDEX_BUILDING;
 666
 667         for( int aidx=0; aidx<ff->ffaudio.size(); ++aidx ) {
 668                 FFAudioStream *aud = ff->ffaudio[aidx];
 669                 index_state->add_audio_stream(aud->channels, aud->length);
 670         }
 671
 672         char progress_title[BCTEXTLEN];
 673         sprintf(progress_title, _("Creating %s\n"), index_path);
 674         FileSystem fs;
 675         int64_t file_bytes = fs.get_size(ff->fmt_ctx->filename);
 676         int64_t scan_position = 0;
 677         int canceled = 0;
 678         FFMPEGScanProgress scan_progress(progress_title, file_bytes, &scan_position, &canceled);
 679
 680         index_state->index_bytes = file_bytes;
 681         index_state->init_scan(file->preferences->index_size);
 682         if( ff->scan(index_state, &scan_position, &canceled) || canceled ) {
 683                 index_state->reset_index();
 684                 index_state->reset_markers();
 685                 return 1;
 686         }
 687         index_state->marker_status = MARKERS_READY;
 688         return index_state->create_index(index_path, asset);
 689 }
 690